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Emil Frei GmbH & Co. KG
Am Bahnhof 6
78199 Bräunlingen

Phone +49 7707 151-0
Fax +49 7707 151-238

Energy calculator

Please fill in all fields, marked with the red border.

Steel quantity / year [kg/a]
Production time / day [h/d]
Production days / year [d/a]
Oven exhaust air / hour [m³/h]
Baking temperature before [°C]
Baking temperature after [°C]
Gas costs / kWh [€/kWh]
Production time / year [h/a]
Air quantity / year [m³/a]
Temperature reduction [°C]
Energy demand steel and air before [kWh/a]
Energy demand steel and air after [kWh/a]
Economy of energy [kWh/a]
Energy costs before [€/a]
Energy costs after [€/a]
Energy costs reduction / year [€/a]
Hanger-, transmittance- and lock losses become disregard. The calculation bases upon following acceptances: efficiency oven = 85 %, specific heat capacity steel = 0,45 kJ/kg*K, specific heat capacity air = 1,005 kJ/kg*K, density air = 1,2929 kg/m³, 1 kWh = 3 .600 kJ, room temperature = 20 °C.